The Council of Nicaea (325 A.D.), gave us the Nicene Creed which we proclaim every Sunday at Mass. This Council taught that Jesus was consubstantial with God, one in being with the Father. In that prayer, we proclaim Jesus as "the only-begotten Son of God, eternally begotten of the Father, light from light, true God from true God, begotten not made, one in Being (consubstantial) with the Father